What’s Vulnerable › Vulnerabilities

CVE-2026-6168: TOTOLINK A7000R cstecgi.cgi setWiFiEasyGuestCfg stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-13 · updated 2026-10-26
• Weakness: CWE-119

Description

A flaw has been found in TOTOLINK A7000R up to 9.1.0u.6115. The affected element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid5g causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Affected products

• Totolink A7000R: 9.1.0u.6115

References

• https://github.com/zhuchan770/vulnerability/blob/main/A7000R/setWiFiEasyGuestCfg/ToToLink%20A7000R%20setWiFiEasyGuestCfg%20338996b67c9780b89829d0ea70058788.md
• https://vuldb.com/submit/797193
• https://vuldb.com/vuln/357056
• https://vuldb.com/vuln/357056/cti
• https://www.totolink.net/

Get alerted when CVE-2026-6168 or the next vulnerability affects your stack